G8 Unit 3 and 4 Final Exam Review

The heart needs a constant supply of oxygenated blood. If a blood vessel that supplies the heart with blood gets clogged, the result may be a

(a)  

• stroke
• heart attack
• hiccup
• heart burn

The order, from smallest to largest, of living structures is

• tissue

• organ

• organism

• organ system

• cell

The type of organelle that is responsible for respiration within the cell is the

(a)  

• chloroplast
• nucleus
• mitochondrion
• cytoplasm

In attempting to create the clearest image possible of a cell using a compound microscope, a student should use the:

(a)  

• fine adjustment knob
• coarse adjustment knob
• ocular lens
• objective lens

A pair of organelles that would not be found in an animal cell are the

(a)  

• cell wall and mitochondrion
• chloroplast and cell wall
• choroplast and vacuoles
• cell wall and nucleus

What is not true about blood pressure?

• Higher blood pressure can indicate a smaller artery size, therefore clogged arteries

• Blood pressure can inform about artery elasticity

• Thick blood can cause higher blood pressure

• Lower heart rate can lead to higher blood pressure

A person is experiencing shortness of breath and difficulty breathing out. Which of the following conditions might they be experiencing?

(a)  

• bronchitis
• stroke
• constipation
• heart attack

For absorbing the nutrients from the food you are eating.

(a)  

• esophagus
• stomach
• small intestine
• large intestine

A person has a diet that is high in fatty foods and low in fiber.

• Will result to increase risk of constipation

• Will result to increase risk of colon cancer

• Will result to decrease blood pressure

• Will result to slower metabolism

Which of the following is not a lever

(a)  

• can opener
• tweezer
• block and tackle
• see-saw