UExcel Anatomy and Physiology 4

Question 1

Surfactant produced by Type II pneumocytes primarily functions to:

Accepted Answer

Reduce alveolar surface tension

Answer

Warm inspired air

Answer

Filter airborne particles

Answer

Transport oxygen to blood

Question 2

The tidal volume of a healthy adult at rest is approximately:

Accepted Answer

500 mL

Answer

150 mL

Answer

1,200 mL

Answer

4,800 mL

Question 3

Which structure connects the testes to the urethra and is responsible for sperm maturation?

Accepted Answer

Epididymis

Answer

Seminal vesicle

Answer

Vas deferens

Answer

Prostate gland

Question 4

During the proliferative phase of the uterine cycle, rising estrogen levels stimulate:

Accepted Answer

Endometrial lining rebuild

Answer

Ovulation

Answer

Progesterone secretion

Answer

Corpus luteum regression

Question 5

Which part of the nephron is primarily responsible for selective reabsorption of glucose, amino acids, and most ions?

Accepted Answer

Proximal convoluted tubule

Answer

Glomerulus

Answer

Loop of Henle

Answer

Collecting duct

Question 6

The term 'cardiac output' is best defined as:

Accepted Answer

Heart rate multiplied by stroke volume

Answer

The pressure difference between systole and diastole

Answer

The volume of blood the heart ejects per beat

Answer

The total blood volume in the body

Question 7

Which white blood cell type releases histamine and heparin during an allergic response?

Accepted Answer

Basophil

Answer

Neutrophil

Answer

Eosinophil

Answer

Monocyte