PN 151 TEST 1 QUESTIONS AND ANSWERS

The normal range for blood pH in the human body is between 7.3and 5-7.45,
The student recognises this represents which of the following?
A set point range
The student recognises that the following scenario represents which of the
following?
Temperature receptors in the skin note that body temperature is falling, the
brain receives this information and directs the muscles to shiver which raises
body temperature.
Negative feedback system
the student knows that a solution with a pH of 7 is which of the following?
Neutral
The student knows that a solution with a pH of 6 is which of the following?
acid
The student knows which will absorb excess hydrogen from a solution.
base
The following listed structures are found in which organ system?
Ovaries, pituitary gland, testicles, thyroid and pancreas
Endocrine system
The following listed structures are found in which organ system?
Nose, pharynx, larynx, trachea, bronchi
Respiratory system
The movement of particles from an area of high to low concentration is called
which of the following?
Diffusion

, The movement of water across a semipermeable membrane, from an area of low
to high particle concentration is called which of the following?
Osmosis
A solution which causes a cell to shrink is called which of the following?
Hypertonic
A solution which causes a cell to swell is called which of the following?
Hypotonic
What has a thick layer of peptidoglycan and retains dye
Gram postive Bacteria
What Bacteria has a thin layer and outer membrane, loses dye
Gram Negative Bacteria
Skin the largest membrane in the body. True or False
True
Nearon
nervous tissue and the nerve cell
Cardiac muscle (involuntary or voluntary)
Involuntary, Striated and Intercalated disk. (HEART)
Smooth Muscle
Involuntary (Stomach, Kidney, Gallbladder)
Intercalated disc
Allows for electrical impulses to rapidly spread from cell to cell
Three layers of skin
epidermis, dermis, subcutaneous
which layer of skin hold mostly everything
dermis
What is Melanin??