Biology Questions

Biology Questions

QUIZ # 2 MULTIPLE CHOICE

1) Which of the following is part of the axial skeleton?

1. a) Metacarpals
2. b) Skull
3. c) Femur
4. d) Scapula0

2) Which of the following is part of the appendicular skeleton?

1. a) Coxa
2. b) Sacrum
3. c) Sternum
4. d) Ribs

3) What is the bat shaped bone on the floor of the cranium?

1. a) Ethmoid
2. b) Sphenoid
3. c) Nasal
4. d) Occipital

4) Which of the following bones forms the cheek-bone?

1. a) Maxilla and mandible
2. b) Nasal and lacrimal
3. c) Vomer and ethmoid
4. d) Zygomatic and temporal

5) Which of the following pairings of vertebra and their number is correct?

1. a) Cervical-five
2. b) Thoracic-seven
3. c) Lumbar-five
4. d) Sacrum-three

6) The canal by which the spinal cord passes through the vertebrae is the

1. a) Foreman magnum
2. b) Vertebral foramen
3. c) External auditory meatus
4. d) Nutrient foramen

7) Which ribs do NOT attach anteriorly to the sternum?

1. a) True ribs
2. b) False ribs
3. c) Floating ribs

8) The pectoral girdle

1. a) Is the shoulder girdle
2. b) Contains the clavicles
3. c) Contains the scapula
4. d) Is described by all these characteristics

9) Which type of joint is correctly matched with the amount of movement they allow?

1. a) Synarthrosis-slight movement
2. b) Amphiarthrosis-immovable
3. c) Diarthrosis-freely movable

 

10) Rotating the arms so that the palms are forward is an example of

1. a) Elevation
2. b) Abduction
3. c) Inversion
4. d) Supination

11) The sliding filament theory of muscle contraction describes

1. a) How a sarcomere shortens
2. b) The disappearance of the A band
3. c) The movement of the myosin in relation to the actin
4. d) All of the choices are correct.

12) Fatigue is caused by

1. a) Gradual muscle weakening after repetitive use
2. b) Depletion of ATP
3. c) DEPLETION OF ACETYLCHOLINE FROM MOTOR NEURONS
4. d) ALL OF THE CHOICES ARE CORRECT.

13) The biceps brachii and triceps brachii in the upper arms

1. a) Are antagonistic
2. b) Are synergistic
3. c) Depend upon activity to determine antagonism or synergism

14) The — raises your eyebrows

1. a) Bicep bachii
2. b) Frontalis
3. c) Hamstring group
4. d) Gluteus maximus

15) Which of the following structures are NOT involved with swallowing?

1. a) The hyoid bone
2. b) The masseter mescle
3. c) The suprahyoid mescles
4. d) The epiglottis

16) The —- will abduct the scapulae and help extend the neck

1. a) Trapezius
2. b) Temporalis
3. c) Sternocleidomastoid
4. d) Deltoid

17) The muscle allows you to stand on your tiptoes

1. a) Gastrocnemius
2. b) Tibialis anterior
3. c) Flexor digitorum longus
4. d) Hamstring group

18) The —- will evert the foot

1. a) Gastrocnemius
2. b) Tibialis anterior
3. c) Fibularis muscle
4. d) Extensor digitorum longus

19) An autoimmune disease caused by a reduction of acetylcholine needed to stimulate skeletal muscles to contract is

1. a) Fibromyalgia
2. b) Myasthenia gravis
3. c) Muscular dystrophy
4. d) Osteoarthritis

20) Where does the process of hematopoiesis occur in the adult?

1. a) Red bone marrow
2. b) Yellow bone marrow
3. c) Liver
4. d) Spleen

21) Leukemia involves

1. a) Uncontrolled production of abnormal white blood cells
2. b) A decrease in leukocytes production
3. c) A viral infection
4. d) A bacterial infection

22) The aorta

1. a) Receives oxygen rich blood from the lungs
2. b) Carries oxygen rich blood toward the body tissues
3. c) Receives oxygen poor blood from the body tissues
4. d) Carries oxygen poor blood to the lungs.

23) Sympathetic stimulation of the heart causes the heart rate to

1. a) increase
2. b) decrease
3. c) stay the same
4. d) increase, then decrease

24) which of the following represents the correct sequence when tracing the path of blood from the superior or inferior vena cava to the lungs?

1. a) Left atrium, pulmonary semilunar valve, left ventricle, mitral valve, pulmonary artery
2. b) Right atrium, tricuspid valve, right ventricle, pulmonary semilunar valve, pulmonary artery
3. c) Tricuspid valve, right atrium, aortic semilunar valve, right ventricle, pulmonary vein
4. d) Pulmonary semilunar valve, right atrium, mitral valve, right ventricle, pulmonary vein.

25) The first heart sound “lub” is made by

1. a) Closure of the AV valves
2. b) Closure of the semilunar valve
3. c) Contraction of the ventricles
4. d) Contraction of the atria.

26) As cardiac output increases, the blood pressure will

1. a) Increase
2. b) decrease
3. c) have no change

 

27) what is (are) the function (s)of the lymphatic system?

1. a) Returns fluid to the bloodstream
2. b) Absorbs fat molecules from the digestive tract
3. c) Helps to defend the body against disease
4. d) All of the choices are correct

28) Which of the following is NOT true about the heart?

1. a) It is located in the mediasternum
2. b) The base rests on the diaphragm
3. c) It connects the systemic and pulmonary circuits
4. d) It slants more to the left

29) The right lymphatic duct drains —– into the right subclavian vein

1. a) The entire upper half of the body
2. b) The entire lower half of the body
3. c) The right side of the head and neck and the right arm
4. d) The entire right side of the body

30) The tonsils are composed of

1. a) Peyer’s patches
2. b) Lymphatic nodules
3. c) Stem cells

31) Which of the following are found in lymph nodes?

1. a) B lymphocytes
2. b) Macrophages
3. c) T lymphocytes
4. d) All of the choices are correct

32) Which of the following has a connective tissue capsule that encloses the lymphatic tissue?

1. a) Tonsils
2. b) Appendix
3. c) Peyer’s patches
4. d) Lymph nodes

33) Which of the following is NOT a chemical barrier that helps prevent entry of microbes into the body tissues?

1. a) Lysozyme
2. b) Sebum
3. c) Normal flora
4. d) All of the choices are chemical barriers.

34) Normal occurring bacteria live in the

1. a) Lungs
2. b) Intestine
3. c) Mouth
4. d) Both intestine and mouth

35) Complement

1. a) Is a series of blood plasma proteins
2. b) Attracts phagocytes
3. c) Causes bacteria cells to burst
4. d) Is described by all of these characteristics.

36) Portions of bacteria, viruses, molds, parasites, and cancer cells that causes specific responses from the immune system are called

1. a) Antibodies
2. b) Macrophages
3. c) Antigens
4. d) Interferons

37) Once a B cell has been activated by a specific antigen (an antigen binds to an antigen receptor on the B cell membrane), it will divide, making many copies of itself. This process is known as

1. A) Apoptosis
2. B) Clonal selection
3. C) Induced immunity
4. D) Hypersensitivity

38) Antibodies bind to

1. a) Foreign substances
2. b) Antigens
3. c) Bacteria
4. d) All of the choices are correct.

39) Which type of antibody is the main one in circulation?

1. a) IgA
2. b) IgM
3. c) IgG
4. d) IgE

40) T CELLS

1. A) Are activated by an antigen-presenting cell
2. B) May stimulate B cells
3. C) Release cytokinesis
4. D) Are described by all of these characteristics

41) Which of the following is NOT true of human MHC proteins?

1. a) The are called HLA (human leukocytes antigens)
2. b) They are self antigens
3. c) They are linked to foreign antigens to activate a B cell
4. d) They are found on all of one’s body cells

42) An antigen-presenting cell (APC) is a

1. a) Red blood cell
2. b) Macrophage
3. c) Helper T cell
4. d) B cell

43) Which molecule from a cytotoxic T cell creates holes in plasma membranes of virus-infected or cancer cells?

1. a) Cytokine
2. b) Interleukin
3. c) Perforin
4. d) Interferon

44) Active immunity

1. a) Occurs when antibodies are given
2. b) Occurs as a result of exposure to antigens
3. c) Means that antibodies are not made by the recipient
4. d) Occurs against an individual’s own tissue

45) As a chil, you had chicken pox. You are exposed to chicken pox several years later, but do not get them again. What kind of immunitry does she have?

1. a) Natural active
2. b) Artificial acrive
3. c) Natural passive
4. d) Artificial passive

46) Allergies are due to

1. a) An excess number of antigens
2. b) Not enough antibodies formed
3. c) Antibodies beign produced for substances that ordinarily would do no harm to the body.
4. d) Transplanted tissues.

47) Tissues rejection from transplants occurs because

1. a) The HLA antigens of the donor do not match the recipient
2. b) There are memory B cells that make antibodies against the transplant
3. c) cytotoxic T cells attack the transplant
4. d) both the HLA antigen of the donor do not match the recipient and cytotoxic T cells attack the transplant are correct.

48) Which of the following is the correct sequence when tracing the path of air from the nose to the lungs?

1. a) Nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles
2. b) Nasal cavity, larynx, pharynx, bronchi, bronchioles, trachea
3. c) Nasal cavity, bronchi, bronchioles, trachea, pharynx, larynx
4. d) Nasal cavity, pharynx, larynx, trachea, bronchioles, bronchi

49) The epiglottis

1. a) Contains vocal cords
2. b) Contain cilia
3. c) Prevents food from entering the air passage
4. d) Pushes air into the lungs.

50) The visceral pleura

1. a) Is a mucous membrane
2. b) Is attached to the lung’s surface
3. c) Lines the thoracic cavity
4. d) All of these choices are correct.

51) What is the purpose os surfactant that lines each alveolus?

1. a) Gives the lungs their elasticity
2. b) Keeps the alveoli from collapsing
3. c) Reduces the surface tension of water
4. d) Both keeps the alveoli from collapsing and reduces the surface tension of water.

52) As the volume of the thoracic cavity increases due to the contraction of the muscles of inspiration, what occurs in the lungs and alveoli?

1. a) Lung and alveolar volumes increase and intrapulmonary pressure increases
2. b) Lung and alveolar volumes increase and intrapulmonary pressure decrease
3. c) Lung and alveolar volumes decrease and intrapulmonary pressure increases
4. d) Lung and alveolar volumes decrease and intrapulmonary pressure decreases.

53) If blood carbon dioxide levels are low, the primary respiratory center will—– the rate and depth of respiration.

1. a) Increase
2. b) Decrease
3. c) Not change

54) Which of the following conditions is characterized by bronchial inflammation, spasm, and wheezing?

1. a) Asthma
2. b) Chronic bronchitis
3. c) Tuberculosis
4. d) Emphysema.

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