A&P Chapter 1
Which of the following is not an example of the body's use of homeostasis to regulate the internal environment?
Being covered with a blanket when you're cold
Which of the following events is an example of a positive feedback mechanism?
Blood clotting when the lining of a blood vessel is injured
Which of the following is true concerning appropriate atmospheric pressure?
Breathing and gas exchange in the lungs depend on appropriate atmospheric pressure.
When considering nutrients as a survival need, which of the following is true?
Carbohydrates are the major energy fuel or body cells and are found primarily in plant-derived foods
Select the option that shows increasing complexity levels.
Cellular, tissue, organ, organ system
cardiovascular system
Consists of blood vessels, the heart, and blood
lymphatic system
Consists of the spleen, lymph nodes, thymus, bone marrow, and lymphatic vessels
Which of the following requires magnification to study?
Histology
Which of the following does not represent a negative feedback mechanism?
Increasing the muscle in the heart to cope with high blood pressure
Match the following: Chemical Level
Interactions among molecules
Which of the following is not true of the female reproductive system?
Is the sole source of all hormones involved in reproduction
Which of the following is true of digestion?
It involves the breaking down of ingested foodstuffs to simple molecules.
In feedback, which statement is true?
Most medical situations can be views from the point of view of a failure of homeostasis. Disease can be regarded as a disturbance of homeostasis.
Which of the following body systems acts as a fast-acting control system for the body?
Nervous
Which of the following organs belong to both the endocrine system and the female reproductive system?
Ovaries
In feedback, which statement is true?
Positive and negative feedback mechanisms are named for the direction of the response relative to the initial stimulus.
Which of the following is an example of positive feedback?
Release of oxytocin to increase the strength of labor contractions?
Which of the following body systems functions to produce blood cells?
Skeletal
Which of the following is false concerning the survival need of water?
The body is 98% water
Which of the following best defines physiology?
The study of how the body parts work and carry out their life-sustaining activities
Which of the following best describes gross or macroscopic anatomy?
The study of large body structures visible to the naked eye, such as the lungs and kidneys
Failure of homeostatic mechanisms often lead to pathological symptoms. Which of the following represent an inaccurate pairing between parts of a homeostatic mechanism and disease?
Vitamin deficiencies that damage nerves and cause numbing in the hands may lead to failure to withdraw from a painful stimulus.
Skeletal System
bones, cartilage, ligaments
Movement is defined as
both moving the organism through the environment using the muscular system as well as moving substances through the internal organs of the body
The digestive system does what
breaks down food
Respiratory System
consists of lung, trachea, bronchus, larynx, pharynx, and nasal cavity
endocrine system
contains the pituitary and thyroid glands
The lymphatic system_____
defends the body from foreign substances
Embryology is best described as a subdivision of_______
developmental anatomy
The branch of anatomy that traces structural changes that occur in the body throughout the life span is referred to as
developmental anatomy
a result of homeostatic imbalance could be______
disease
A home heating system connected to a temperature sensitive thermostat is a nonbiological example of a negative feedback system. Which of the following best describes the heating element of the furnace?
effector
The urinary system _____
eliminates nitrogenous wastes
Tissue Level
groups of similar cells with a common function
The prostate and ductus deferens belong to which organ system
male reproductive system
If the human body temperature drops below 37 degrees C, the body's_____
metabolic reactions become slower
Muscular System
muscle attached to the skeletal system
the muscular system
provides locomotion
the reproductive system
pumps and transports blood
Which of the following is correct regarding a feedback cycle
receptor perceives a stimulus by sending input along the afferent pathway
The nervous system ______
responds to internal and external stimuli
The ability to sense changes in the environment and respond to them is a physiological ability known as_____
responsiveness
The endocrine system
secretes hormones
the integumentary system
separates the body's internal environment from the external environment
organ system level
several organs working together to carry out a shared function
Cellular level
smallest unit of living things
The respiratory system
supplies the body with oxygen and eliminates carbon dioxide waste
Clinicians use _____ to locate blood vessels in order to take a pulse or draw blood.
surface anatomy
reproduction refers _______
to both cellular reproduction and organismal reproduction
Approximately what percentage of the air we breathe is oxygen?
20%
Which of the following would not be a topic of physiology?
anatomical physiology
Which of the following is not a necessary human life function?
intelligence
Digestive System
is comprised of the intestine, liver, stomach, esophagus, and oral cavity
Urinary System
kidney, ureter, urinary bladder, urethra