Gastric Physiology Quiz

Gastric emptying is delayed most by which nutrient?

• Proteins

• Carbohydrates

• Fats

• Water

Hunger contractions are strongest during?

• Postprandial period

• Short-term fasting

• Prolonged fasting

• Sleep

MMC (Migrating Motor Complex) occurs predominantly during?

• Fed state

• Fasting state

• Exercise

• Sleep

The hormone responsible for initiation of MMC is?

• Secretin

• CCK

• Gastrin

• Motilin

Basic Electrical Rhythm (BER) in stomach has frequency of?

• 1–2/min

• 3–5/min

• 7–10/min

• 12–14/min

BER is generated by which of the following?

• Smooth muscle

• Enterocytes

• Interstitial cells of Cajal

• Paneth cells

The vomiting center is located in?

• Cerebellum

• Midbrain

• Medulla oblongata

• Spinal cord

Chemoreceptor Trigger Zone (CTZ) is located in?

• Hypothalamus

• Cerebral cortex

• Area postrema

• Hippocampus

Vomiting causes loss of which electrolyte predominantly?

• Sodium

• Potassium

• Chloride

• Calcium

Excessive vomiting may result in which acid-base imbalance?

• Respiratory acidosis

• Respiratory alkalosis

• Metabolic acidosis

• Metabolic alkalosis