Question 1

W hich of the following is NOT an effect of ACTH on adrenocortical cells?

Accepted Answer

A)  ACTH increases cAMP in the adrenocortical cells 
B)  ACTH increases StAR that imports cholesterol into mitochondria 
C)  ACTH increases the receptor for LDL cholesterol 
D)  ACTH increases the enzymes for pregnenolone synthesis 
E)  ACTH increase enzymes for phospholipid breakdown 
A)  ACTH increases cAMP in the adrenocortical cells 
B)  ACTH increases StAR that imports cholesterol into mitochondria 
C)  ACTH increases the receptor for LDL cholesterol 
D)  ACTH increases the enzymes for pregnenolone synthesis 
E)  ACTH increase enzymes for phospholipid breakdown

Question 2

Mineralocorticoids and Glucocorticoids differ from other hormones in that they are the only hormones that

Accepted Answer

A)  Bind to cytosolic receptors 
B)  Bind to nuclear receptors 
C)  Alter gene expression 
D)  Activate PKA 
E)  Originate from the zona fasiculata 
A)  Bind to cytosolic receptors 
B)  Bind to nuclear receptors 
C)  Alter gene expression 
D)  Activate PKA 
E)  Originate from the zona fasiculata

Question 3

The control of aldosterone release by the kidney begins with

Accepted Answer

A)  Secretion of ADH 
B)  Secretion of angiotensin I 
C)  Secretion of ACE 
D)  Secretion of K+ 
E)  Secretion of renin 
A)  Secretion of ADH 
B)  Secretion of angiotensin I 
C)  Secretion of ACE 
D)  Secretion of K+ 
E)  Secretion of renin

Question 4

Glucocorticoids

Accepted Answer

A)  Are synthesized in the ER and stored in secretory vesicles for later secretion 
B)  Exert effects on their targets by binding to receptors on the plasma mem brane 
C)  Are secreted as they are synthesized without significant storage 
D)  Activate G-coupled receptors 
E)  Increase liver glycogenolysis 
A)  Are synthesized in the ER and stored in secretory vesicles for later secretion 
B)  Exert effects on their targets by binding to receptors on the plasma mem brane 
C)  Are secreted as they are synthesized without significant storage 
D)  Activate G-coupled receptors 
E)  Increase liver glycogenolysis

Question 5

The main inhibition of ACTH secretion is by

Accepted Answer

A)  SST 
B)  Insulin 
C)  IGF-1 
D)  GLP-1 
E)  Glucocorticoids 
A)  SST 
B)  Insulin 
C)  IGF-1 
D)  GLP-1 
E)  Glucocorticoids

Exam 65: The Adrenal Cortex

W hich of the following is NOT an effect of ACTH on adrenocortical cells?

Mineralocorticoids and Glucocorticoids differ from other hormones in that they are the only hormones that

The control of aldosterone release by the kidney begins with

Glucocorticoids

The main inhibition of ACTH secretion is by

Physical Foundations Ii: Electrical Force Potential Capacitance and Current

Chemical Foundations I: Chemical Energy and Intermolecular Forces

Chemical Foundations Ii: Concentration and Kinetics

Diffusion

Electrochemical Potential and Free Energy

Cell Structure

Dna and Protein Synthesis

Protein Structure

Biological Membranes

Passive Transport and Facilitated Diffusion

Active Transport: Pumps and Exchangers

Osmosis and Osmotic Pressure

Cell Signaling

ATP Production I: Glycolysis

Atp Production Ii: Tca Cycle and Oxidative Phosphorylation

Atp Production Iii: Fatty Acid Oxidation and Amino Acid Oxidation

Origin of the Membrane Potential

The Action Potential

Propagation of the Action Potential

Skeletal Muscle Mechanics

Contractile Mechanisms in Skeletal Muscle

Neuromuscular Junction and Ec Coupling

Muscle Energetics Fatigue and Training

Smooth Muscle

Organization of the Nervous System

Cells Synapses and Neurotransmitters

Cutaneous Sensory Systems

Spinal Reflexes

Balance and Control of Movement

the Chemical Senses

Hearing

Vision

Autonomic Nervous System

Overview of the Cv System and Blood

Plasma and Red Blood Cells

White Blood Cells and Inflammation

The Heart As a Pump

Cellular Basis of Cardiac Contractility

the Cardiac Function Curve

Vascular Function: Hemodynamics

Microcirculation and Solute Exchange

Regulation of Perfusion

Integration of Cardiac Output and Venous Return

Regulation of Arterial Pressure

Mechanics of Breathing

Lung Volumes and Airway Resistance

Gas Exchange in the Lung

Oxygen and Carbon Dioxide Transport

Acid Base Physiology I Bicarbonate Buffers and Respiratory Compensation

Control of Ventilation

Anatomy and Renal Overview

Glomerular Filtration

Tubular Reabsorption and Secretion

Concentration and Dilution of Urine

Mouth and Esophagus

The Stomach

Intestinal and Colonic Motility

Pancreatic and Biliary Secretion

Digestion and Absorption of the Macronutrients

Energy Balance and Regulation of Food Intake

General Principles of Endocrinology

Hypothalamus and Pituitary Gland

The Thyroid Gland

The Endocrine Pancreas

The Adrenal Medulla

The Calcitropic Hormones

Calcium and Phosphorus Homeostasis Ii

Female Reproductive Physiology

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