Untitled Presentation

Fill in the Blanks

There are four main types of tissues in our body: muscle, nervous, connective, and

Open Ended

What 3 types of epithelial tissue are there?

Open Ended

Where is squamous epithelial tissue often found and therefore what are the adaptations?

Multiple Choice

What condition results from the damage to epithelial cells in the lungs due to smoking?

• Asthma

• Emphysema

• Bronchitis

• Pneumonia

Multiple Choice

Which of the following is a common cause of chronic obstructive pulmonary disease (COPD)?

• Viral infection

• Smoking

• Genetic mutation

• Allergic reaction

Multiple Choice

What is emphysema classified as?

• A type of lung cancer

• A type of chronic obstructive pulmonary disorder

• A type of asthma

• A type of pneumonia

Open Ended

Where is ciliated columnar epithelial tissue often found and therefore what is an adaptation?

Multiple Choice

What is the function of goblet cells in the respiratory tract?

• To secrete mucus

• To absorb nutrients

• To transport oxygen

• To produce hormones

Open Ended

Where is endothelial tissue often found and therefore what is an adaptation?

Open Ended

Which blood vessels carry blood away from the heart towards respiring tissues?

Multiple Choice

What are the components that make up plaque in the arteries?

• Fat

• Cholesterol

• Calcium

• All of the above

Multiple Choice

A doctor examines a patient who has high blood pressure and atherosclerosis in the coronary artery. What medical condition connected to blood flow is most likely to affect this patient in the future?

• The patient may develop headaches and confusion due to cancer in the brain caused by years of low levels of oxygen supplied to the brain.
•  The patient may develop stiff joints and chest pains from the high blood pressure applied to the muscle and joint tissues of the body.
• The patient may show signs of confusion, weakness, and partial paralysis due to high blood pressure when the plaque dislodges and blocks blood flow to the brain.
•  The patient may suffer a heart attack because of the reduction in blood flow to the heart muscles due to severe plaque build-up in the coronary artery

Multiple Choice

What is the difference between bad cholesterol (LDL) and good cholesterol (HDL)?

• LDL stores cholesterol, HDL regulates it

• LDL promotes excretion, HDL stores cholesterol

• LDL is good for health, HDL is bad

• LDL and HDL are the same

Open Ended

What is the role of white blood cells in the formation of atherosclerosis?

Open Ended

What are the 2 myofilaments found within myofibrils?

Multiple Choice

What is the structure of myosin as described in the image?

• Thicker with rod-shaped fibres

• Thinner with flat fibres

• Round with smooth edges

• Irregular with no defined shape

Multiple Choice

What is the name of the block formed by overlapping myosin and actin filaments?

• Myofibril

• Sarcomere

• Muscle Fiber

• Z-line

Open Ended

What does each number represent?

Fill in the Blanks

dark bands are created by the

of myofilaments (thick - myosin & thin - actin) in sarcomeres

Multiple Choice

Which statement best describes the interaction between actin and myosin during muscle contraction?

• Myosin heads bind to actin filaments to form a cross-bridge.

• Myosin filaments pull actin filaments by extending their length.

• Actin and myosin repel each other, causing the muscle to contract.

Multiple Choice

Which stage of the sliding filament model involves the power stroke?

• Attachment of myosin to actin

• Release of calcium ions

• The pulling of actin filaments by myosin heads

• Detachment of myosin from actin

Multiple Choice

How does ATP influence the interaction between actin and myosin?

• ATP binds to actin, strengthening the actin-myosin bond.

• ATP binds to myosin, causing the myosin head to detach from actin.

• ATP prevents calcium from binding to troponin.

• ATP directly binds to tropomyosin, moving it away from the binding sites.

Multiple Choice

What are the characteristics of slow twitch muscle fibres?

• Rich supply of capillaries

• Many mitochondria

• Myoglobin store

• Aerobic respiration

Multiple Choice

Which of the following statements is true about fast twitch muscle fibers?

• They have more capillaries

• They have more mitochondria

• They have a higher glycogen supply for anaerobic respiration

• They have more myoglobin

Poll

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