41 A(n) vector is an animal that carries a disease from one host to another. Sel

Question

41 A(n) vector is an animal that carries a disease from one host to another.

Select one:

True

False

42 The cardiac muscle tissue is called the ________.

Select one:

a. pericardium

b. myocardium

c. coronary chamber

d. endocardium

43 Unlike white blood cells, mature red blood cells lack a(n) nucleus.

Select one:

True

False

44 Which of these is part of the defense against parasites, such as tapeworms and hookworms, that have invaded the body?

Select one:

a. eosinophils

b. neutrophils

c. monocytes

d. lymphocytes

45 In the spongy bone, which of the following produces blood cells?

Select one:

a. osteocytes

b. yellow marrow

c. osteons

d. red marrow

46 How many bones are in the human body?

Select one:

a. 206

b. 203

c. 308

d. 300

47 Which hormone causes calcium to be released from bone into the bloodstream?

Select one:

a. parathyroid hormone (PTH)

b. calcitonin

c. Boniva

d. estrogen

48 Overuse, misuse, and age are some of the factors that contribute to excessive stress on a tendon, causing inflammation known as ________.

Select one:

a. tendinitis

b. spasms

c. bursitis

d. tetanus

49 Some of these blood proteins are antibodies.

Select one:

a. albumins

b. globulins

c. fibrins

d. glucoses

50 The arrangement of muscles so that the action of one muscle is opposite to that of its partner is referred to as ________.

Select one:

a. insertion

b. antagonistic

c. dual

d. synergistic

Explanation / Answer

41. TRUE
A vector is a carrier animal that spreads disease from one host to another.
Ex: Mosquito is a carrier for Malarial parasite, Plasmodium.

42. Option B is correct.
The cardiac muscle tissue is called myocardium.

43. TRUE
WBC contain a distinct characteristic nucleus. On the other hand, mature RBC lacks a nucleus.

44. Option A is correct.
Eosinophils are part of the defense against tapeworms and hookworms.

45. Option D is correct.
Red bone marrow is the site RBC production in the spongy bone.

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