A & P Test 5

The mucous membrane lining the nasal cavity:

All of the above

Name the structure indicated by the letter c

Respiratory bronchiole

Where is the ventral respiratory group located?

In the medulla oblongata in the brain

The right lung has ___ lobes; the left lung has ___ lobes.

Superior, middle, and inferior; superior and inferior

Which of the following bones does not house a sinus?

Zygomatic

Name the structure indicated by letter E

Secondary bronchi

What nonrespiratory air movement helps to clear the upper respiratory passageways?

Sneezing

Breathing functions to:

Deliver oxygen to cells, where it takes part in the reactions of cellular respiration that liberate energy from nutrient molecules and get rid of carbon dioxide, which maintains the pH of the internal environment.

The ventral part of the medulla oblongata near the origin of the vagus nerve has:

Central chemoreceptors

The first event in expiration is:

The diaphragm and external intercostal respiratory muscles relax.

Name the structure indicated by letter E

Inferior left lobe

What is the name of the volume of air moved in or out of the lungs during a quiet respiratory cycle?

Tidal volume

What is the definition of ventilation

The movement of air in and out of the lungs

Name the structure at letter A

Larynx

The force responsible for normal expiration is supplied by the:

Elastic recoil of tissues and surface tension

Name the structure indicated at letter A

Glomerulus

Describe the composition of glomerular filtrate

Like plasma, but lacking larger protein molecules

When sodium ions are reabsorbed through the wall of the renal tubue by active transport, chloride ions are:

Reabsorbed by passive transport

A renal corpuscle includes the:

Glomerulus and glomerular capsule

Aldosterone from the adrenal cortex causes sodium ions to be:

Conserved and potassium ions to be excreted

Name the structure indicated by letter B

Cortex region

A greater amount of filtration occurs at glomeruli than at other capillary beds of the body because:

Glomeruli have a higher hydrostatic pressure

The countercurrent mechanism functions primarily in the:

Nephron loop

Which of the following is a normal constituent of urine?

All of the above

The juxtaglomerular apparatus regulates the filtration rate by ___.

renin-angiotensin II vasoconstricting both the afferent and efferent arterioles

A nephron consists of:

A renal corpuscle and a renal tubule

Name the structure indicate by the letter A

Interlobar artery and vein

Athletes might abuse which of the following chemicals made in the urinary system to improve performance by increasing red blood cell production?

Erythropoietin (EPO)

Which of the following is not a function of the kidneys?

Synthesis of plasma proteins

Which of the following GI hormones stimulates secretion of proteases from the pancreas?

Cholecystokinin (CCK)

The GI hormone secretin stimulates

Secretion of bicarbonate ions by the pancreas

The tube that connects the mouth to the stomach is the

Esophagus

Mastication is which of the following?

Mechanical digestion

The liver receives materials absorbed from the gastrointestinal tract through a subdivision of the circulatory system called the

Hepatic portal system

The pyloric sphincter controls movement of chyme between

The stomach and duodenum

Which of the following best describes the pancreas?

Both an endocrine and an exocrine gland

A major function of the colon is to

Absorb water

Swallowed food passes through all of the following except

Nasopharynx

Bile is produced by the

Liver

Where the small intestine meets the large intestine, there is a section of the colon known as the

Cecum

Amino acids that are digested in the small intestine are absorbed by

Intestinal capillaries

Bile is which of the following?

An emulsifier

The muscle layer of the wall of the gall bladder is

Smooth muscle

Secretion of stomach acid may be stimulated by

All of the above may stimulate stomach secretion