Human Body Unit Post-assessment (Grade 7)
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Human Body Post-Assessment (Grade 7)
- 1.
The diagrams below illustrate the pathway and time frame for the digestion of a hamburger consisting of ground beef, ketchup, and a whole wheat bun. During which time period does most of the digestive action of bile and pancreatic juice occur? (Standard 1.2b)- A.
6:03 p.m.-6:05 p.m.
- B.
6:05 p.m.-6:08 p.m.
- C.
10:15 p.m.-9:50 a.m.
- D.
9:50 a.m.-1:00 p.m.
- E.
1:00 p.m.-1:05 p.m.
- 2.In healthy bodies, potassium is found in concentrations between 3.5 to 5.0 mEq per liter of blood. It regulates water in the blood, assists in protein synthesis, and allows communication to take place between nerve cells. Potassium is naturally found in avocados, bananas, potatoes, cantaloupe, milk, oranges, raisins, salmon, and tomatoes. If an individual consumes some of these foods and immediately has a blood test, his potassium concentration may be above 7.0 mEq/L. How will the body respond to this? (Standard 1.1e)
- A.
The nervous system will work twice as quickly.
- B.
The excretory system will restore homeostasis.
- C.
The immune system will increase antibody production.
- D.
The circulatory system will adjust to a new environment.
- E.
The endocrine system will respond by releasing adrenaline.
- 3.A sequence of structures is shown from simplest to most complex. Which structure is missing? (Standard 1.2a) Tissue à à system of the body à organism
- A.
Cell
- B.
Organelle
- C.
Population
- D.
Organ
- E.
Community
- 4.
The figure below shows the interaction between pancreatic hormones and levels of glucose in the blood.
- A.
Feedback
- B.
Digestion
- C.
Excretion
- D.
Nutrition
- E.
Hydrolysis
- 5.Identify the organ in the human body that performs similar functions to the smooth endoplasmic reticulum in your cells (Standard 1.3a).
- A.
Artery
- B.
Brain
- C.
Triceps
- D.
Hypothalamus
- E.
Ovaries
- 6.In humans, the concentration of carbon dioxide in the plasma (Standard 5.3 b):
- A.
Causes increased production of hydrochloric acid
- B.
Regulates gastric acid production by forming carbonic acid
- C.
Regulates breathing rate by its effect on the medulla
- D.
Causes inflammation of the tissues of the bronchial tubes
- E.
Causes increased production of insulin by the pancreas
- 7.A malfunction of the thyroid gland would most likely interfere with (Standard 1.2 d)
- A.
Metabolism
- B.
Blood sugar levels
- C.
Water balance
- D.
Sodium levels
- E.
The growth of long bones
- 8.A student accidentally places her hand on a tack and quickly pulls her hand away. The tack represents (Standard 5.3a):
- A.
A stimulus
- B.
An impulse
- C.
A response
- D.
An effector
- E.
A pathogen
- 9.A pulse can be detected most easily in (Standard 1.2b, 5.3a)
- A.
An artery
- B.
A vein
- C.
A capillary
- D.
A lacteal
- E.
A lymph node
- 10.
The diagram represents the pathway of blood throughout the body. Which structure carries oxygenated blood to the body?
- A.
1
- B.
2
- C.
3
- D.
7
- E.
8
- 11.Rate, on a scale of 1 – 4, 1 being the lowest and 4 being the highest, how much do you already know about the human body?
- 12.Rate, on a scale of 1 – 4, 1 being the lowest and 4 being the highest, how interested are you in the human body?
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