Biology Test Biology Human Anatomy & Physiology 2

Question 1

Which type of muscle tissue is characterized by involuntary control and intercalated discs?

Accepted Answer

Cardiac muscle

Answer

Skeletal muscle

Answer

Smooth muscle

Answer

Striated voluntary muscle

Question 2

The sinoatrial (SA) node is located in which chamber of the heart?

Accepted Answer

Right atrium

Answer

Left ventricle

Answer

Left atrium

Answer

Right ventricle

Question 3

Which hormone is primarily responsible for regulating blood calcium levels by stimulating osteoclast activity?

Accepted Answer

Parathyroid hormone (PTH)

Answer

Calcitonin

Answer

Aldosterone

Answer

Cortisol

Question 4

Which part of the nephron is primarily responsible for the reabsorption of glucose and amino acids?

Accepted Answer

Proximal convoluted tubule

Answer

Loop of Henle

Answer

Distal convoluted tubule

Answer

Collecting duct

Question 5

What is the name of the protective membrane that directly covers the surface of the lungs?

Accepted Answer

Visceral pleura

Answer

Parietal pleura

Answer

Pericardium

Answer

Peritoneum

Question 6

During which phase of the cardiac cycle do the ventricles fill with blood?

Accepted Answer

Diastole

Answer

Isovolumetric contraction

Answer

Ventricular systole

Answer

Isovolumetric relaxation

Question 7

Which WBC type releases histamine and heparin during allergic and inflammatory responses?

Accepted Answer

Basophil

Answer

Neutrophil

Answer

Eosinophil

Answer

Monocyte