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