Question 1

Which hormone is secreted by the anterior pituitary and stimulates the thyroid gland to produce thyroid hormones?

Accepted Answer

Thyroid-stimulating hormone (TSH)

Question 2

A patient presents with elevated neutrophil counts and a fever. Which condition is most likely indicated by these findings?

Accepted Answer

Bacterial infection

Question 3

Which layer of the heart is responsible for the muscular contractions that pump blood throughout the body?

Accepted Answer

Myocardium

Question 4

A blood sample shows a high percentage of lymphocytes. Which of the following conditions is most likely?

Accepted Answer

Chronic viral infection

Question 5

Which of the following correctly matches the hormone with its gland of origin?

Accepted Answer

Aldosterone – Adrenal cortex

Question 6

A patient with anemia is found to have a deficiency in vitamin B12. Which type of anemia does this most likely represent?

Accepted Answer

Pernicious anemia

Question 7

Which of the following is the correct sequence of blood flow through the heart, starting from the right atrium?

Accepted Answer

Right atrium → Right ventricle → Pulmonary artery → Lungs → Left atrium → Left ventricle → Aorta

Question 8

Which white blood cell type is most abundant in a normal blood sample?

Accepted Answer

Neutrophils

Question 9

A patient is diagnosed with acute myeloblastic leukemia. Which cell type is primarily affected?

Accepted Answer

Myeloblasts

Question 10

Which of the following is NOT a function of the pericardium?

Accepted Answer

Facilitates heart contraction

Question 11

Which hormone is responsible for increasing blood calcium levels?

Accepted Answer

Parathyroid hormone (PTH)

Question 12

A patient with a history of allergies is likely to have elevated levels of which white blood cell type?

Accepted Answer

Eosinophils

Question 13

Which of the following best describes the function of platelets?

Accepted Answer

Initiate blood clotting

Question 14

A patient has a mutation in the hemoglobin gene causing sickle-shaped red blood cells. What is the most likely consequence?

Accepted Answer

Decreased blood flow due to vessel blockage

Question 15

Which of the following equations correctly represents cardiac output?

Accepted Answer

$$CO = HR 	imes SV$$

Question 16

A patient with a deficiency in clotting factors is at risk for which condition?

Accepted Answer

Hemophilia

Question 17

Which of the following structures prevents the backflow of blood from the right ventricle to the right atrium?

Accepted Answer

Tricuspid valve

Question 18

A patient with a high eosinophil count is most likely suffering from which of the following?

Accepted Answer

Parasitic infection

Question 19

Which of the following is the correct formula for calculating mean arterial pressure (MAP)?

Accepted Answer

$$MAP = \frac{1}{3} (SBP - DBP) + DBP$$

Question 20

A patient with lymphocytic leukemia will have an abnormal increase in which cell type?

Accepted Answer

Lymphocytes

Anatomy & Physiology: Blood, Heart, and Blood Typing Study Notes

Study Guide - Practice Questions