Chemical Messengers - Principles of Human Physiology | Biology+

Course

Anatomy & Physiology

Study Pack

Set 1: Introduction to Physiology

Set 2: The Cell: Structure and Function

Set 3: Cell Metabolism

Set 4: Cell Membrane Transport

Set 5: Chemical Messengers

Set 6: The Endocrine System: Endocrine Glands and Hormone Actions

Set 7: Nerve Cells and Electrical Signaling

Set 8: Synaptic Transmission and Neural Integration

Set 9: The Nervous System: Central Nervous System

Set 10: The Nervous System: Sensory Systems

Set 11: The Nervous System: Autonomic and Motor Systems

Set 12: Muscle Physiology

Set 13: The Cardiovascular System: Cardiac Function

Set 14: The Cardiovascular System: Blood Vessels, Blood Flow, and Blood Pressure

Set 15: The Cardiovascular System: Blood

Set 16: The Respiratory System: Pulmonary Ventilation

Set 17: The Respiratory System: Gas Exchange and the Regulation of Breathing

Set 18: The Urinary System: Renal Function

Set 19: The Urinary System: Fluid and Electrolyte Balance

Set 20: The Gastrointestinal System

Set 21: The Endocrine System Regulation of Energy Metabolism and Growth

Set 22: The Reproductive System

Set 23: The Immune System

Set 24: Diabetes Mellitus

Set 5 Chemical Messengers

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Set 5 Chemical Messengers

(Multiple Choice)

Free

In chemical communication between cells, a _______cell secretes a chemical messenger that binds to _______on the_______ Cell.

A) secretory : connexons : gap
B) secretory : connexons : target
C) gap : connexons : secretory
D) target : receptors : secretory
E) secretory : receptors : target

Answer

(Multiple Choice)

Free

Which type of chemical messenger is released into the bloodstream by an endocrine gland where it can affect target cells throughout the body?

A) paracrine
B) cytokine
C) neurotransmitter
D) hormone
E) autocrine

Answer

(Multiple Choice)

Free

Which of the following chemical messengers is lipophilic and is therefore able to cross the cell membrane?

A) peptides
B) amino acids
C) amines (excluding thyroid hormone)
D) eicosanoids
E) proteins

Answer