WorksheetsBiology sem 2 wk 6
Total questions: 20
Worksheet time: 5hrs 0mins
Which is part of the repair process to heal a broken bone?
A blood clot temporarily keeps blood from the bone
Endorphins cause inflammation to hasten cell division.
Osteoclasts remove dead bone cells to clean the site
Which explains why a person’s skin becomes darker when frequently exposed to sunlight?
Cells in the dermis layer become thicker and layered.
Epithelial cells in the epidermis stretch to protect tissues.
Exposure to sunlight causes melanin to be produced.
Sebaceous glands secrete additional oil for protection.
Which is part of the appendicular skeleton?
clavicle
skull
sternum
vertebra
Which would cause fatigue in the body of a long-distance runner?
metabolizing oxygen aerobically
decrease of fermentation energy
buildup of lactic acid in muscle
excess ATP created in muscle cells
The basic unit of a muscle that causes contraction is called a sarcomere.
true
false
Which would be the effect of a malfunctioning neurotransmitter?
A nerve impulse would be stopped in the brain.
A nerve impulse would be stopped in the spinal column.
An impulse could not cross the gap between neurons.
An impulse could not move along the axon of a neuron.
Which directly controls a person’s decision to use the bicep muscles to lift a barbell?
autonomic nervous system
central nervous system
parasympathetic nervous system
somatic nervous system
Which is caused by the sympathetic nervous system?
contracted bronchial muscle
dilated pupil
increased intestinal secretions
slowed heart rate
The spinal column is part of a major division of the nervous system called the __ nervous system.
somatic
central
autonomic
peripheral
A bundle of axons is called a(n) __.
nerve
column
phalange
dendrite
Which is the function of the circulatory system?
creation of vital organic compounds from oxygen and nutrients
excretion of toxic substances, excess water, and carbon dioxide
regulation of hormone, gas, and nutrient levels in the bloodstream
transportation of vital materials such as oxygen throughout the body
Which is a normal blood pressure for a healthy adult?
108/65
141/88
113/77
162/99
Which patient can receive blood from a donor with a B/Rh-positive blood type?
AB/Rh negative
AB/Rh positive
O/Rh negative
O/Rh positive
Which is the number of liters of blood filtered by the kidneys each day?
5
30
180
360
The filtering unit of the kidney is called a(n) __.
nephron
legume
phalange
osmosis
which is the primary function of the colon?
absorbing nutrients from chyme
absorbing water from chyme
completing chemical digestion
completing mechanical digestion
Which causes high cholesterol, high blood pressure, and heart problems?
complex carbohydrates
saturated fats
simple fats
simple carbohydrates
The antidiuretic hormone functions in homeostasis by regulating water balance.
true
false
Cellulose and glucose are examples of __.
fats
carbohydrates
protein
lipids
A substance that acts on specific receptors of a target cell is called a(n) __.
hormone
cholesterol
fat
lipid
